NORTH AMERICAN GEOLOGY. 



191 



Carboniferous— Continued. 

 New York, Pennsylvania, Mary- 

 land, Virginias— Continued. 



1826. Coal of Ehode Island, Silliman. 



1827. Mountain districts of Pennsyl- 



vania, Pierce. 

 Belmont anthracite mines. 

 Pa., Meredith. 



1828. Coal near Tioga Elver, in Penn- 



sylvania, Meade. 



Nomenclature of North Amer- 

 ican rooks, Eaton. 



Tabular view of North Amer- 

 ican rocks, Eaton. 



1830. Geologic prodromus, Eaton. 

 Geological text-book, Eaton. 

 Origin of bituminous coal, 



Gazlay. 

 Coal formation of State of New 



York, Eaton. 

 Anthracite region, Lackawanna 



and Susquehanna, Silliman. 



1831. Carboniferous of New York, 



Eaton. 

 Journey to anthracite region, 

 Hitchcock, E. 



1832. Section of Alleghany Moun- 



tains, Pa., Taylor. 



Stratigraphic geology estab- 

 lished by organic remains, 

 Eaton. 



Geology of Wayne County, 

 Pa., Davis, J. P. 



Coal region between Cumber- 

 land and Pittsburg, Pomeroy . 



Geological equivalents, Eaton. 



1833. Coal beds of Pennsylvania, 



equivalents in Europe, Eaton. 

 Vegetable origin of anthracite. 

 Bunker. 



1834. Country between Baltimore 



and the Ohio, Aikin. 



1835. Anthracite of Schuylkill Coun- 



ty, Pa., Koehler. 



Coal field of Blossburg, Pa., 

 Taylor, R. C. 



Portions of coal formations in 

 Pennsylvania, Taylor. 



Description of portion of Alle- 

 ghany Mountains, Pa., Mil- 

 ler, E. 



1836. Reconnaissance of Virginia, 



Rogers, W. B. 

 Map of anthracite coal fields, 

 Fisher. 



Carbonifero. s — Continued. 

 New York, Pennsylvania, Mary- 

 land, Virginias — Continued. 



1836. Reconnaissance from Washing- 



ton through Wisconsin to 

 Coteau des Prairies, Feather- 

 stonhaugh. 

 First report on survey of Penn- 

 sylvania, Rogers, H. D. 



1837. Physical geography of Mary- 



land, Ducatel. 

 Report of survey of Virginia 



for 1836, Rogers, W. B. 

 Frostburg coal, Md., Tyson. 

 Geology of western New York, 



Hayes, G. E. 



1838. First report of survey of Ohio 



by Mather, Silliman. 

 Report of survey of Virginia 



for 1837, Rogers, W. B. 

 Second report on survey of 



Pennsylvania, Rogers, H. D. 



1839. Report of survey of Virginia 



for 1838, Rogers, W. B. 

 Third report on survey of Penn- 

 sylvania, Rogers, H. D. 



1840. Report of survey of Virginia 



for 1839, Rogers, W. B. 

 On the Silurian system, Conrad. 

 Appendix to report of the 



fourth district of New York, 



Horsford. 

 Fourth report of survey of 



Pennsylvania, Rogers, H. D. 

 Report of survey of the fourth 



district of New York, Hall, J. 

 Coal field of Carbon Creek, 



Johnson, W. R. 



1841. Report of survey of Virginia 



for 1840, Rogers, W. B. 



Model of western Schuylkill 

 coal field, Pennsylvania, Tay- 

 lor, R. C. 



Report of survey of Virginia 

 for 1841, Rogers, W. B. 



Southern coal field of Pennsyl- 

 vania, Lea, M. C. 



Alleged unconformity in Car- 

 boniferous in Savage Moun- 

 tain, Pa., Trego. 



Bear Valley coal field, Penn- 

 sylvania, Johnson, W. R. 



Fifth report on survey of Penn- 

 sylvania, Rogers, H. D. 



1842. Sixth report on survey of Penn- 



sylvania, Rogers, H. D. 



